Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

The Hong Kong University of Science and Technology
Skills you'll gain: International Relations, International Finance, World History, Diplomacy, Political Sciences, Economics, Economic Development, Strategic Partnership, Policy Analysis, Security Strategy, Governance, Science and Research
Beginner · Course · 1 - 3 Months

Skills you'll gain: Promotional Strategies, Consumer Behaviour, Integrated Marketing Communications, Brand Marketing, Brand Strategy, Strategic Marketing, Branding, Marketing Communications, Marketing, Brand Management, Marketing Strategy and Techniques, Marketing Management, Marketing Psychology, Promotions and Campaigns, Target Market, Product Marketing, Customer Analysis, Brand Awareness, Product Promotion, Target Audience
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Unix Commands, Unix Shell, Unix, Shell Script, Linux, File Management, Linux Commands, File Systems, File I/O, Systems Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: No-Code Development, Mobile Development, Google Sheets, Application Development, Mobile Development Tools, Google Workspace, Application Design, Application Deployment, Development Testing, Spreadsheet Software, Data Structures, User Interface (UI), User Accounts, Persona (User Experience), Authentications, User Feedback, Web Development, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Version Control, Restful API, Docker (Software), Containerization, Git (Version Control System), Development Environment, Flask (Web Framework), Application Programming Interface (API), Authentications, Application Deployment, Database Management, Database Development, JSON, Object-Relational Mapping, Operational Databases, API Testing, Python Programming, Object Oriented Programming (OOP), Data Structures
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Culture, Anthropology, Behavioral Health, Healthcare Ethics, Mental Health, Empathy & Emotional Intelligence, Rehabilitation, Social Work, Sociology, Ethical Standards And Conduct, Advocacy, Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Browser Compatibility, Java Programming, Java, Test Tools, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Cybersecurity, Interviewing Skills, Organizational Structure, Workforce Development, Security Management, Job Analysis, Professional Networking, Succession Planning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Microsoft Office, Data Literacy, Communication, Business Strategy
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Open Source Technology, Package and Software Management, Web Development, Linux, Shell Script, Database Design, Ubuntu, Relational Databases, Web Applications, Web Development Tools, Unix Shell, Test Driven Development (TDD), Python Programming, Linux Administration, Databases, Object Oriented Programming (OOP), Object Oriented Design, Scripting Languages, Javascript, Database Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Natural Language Processing, Google Cloud Platform, Data Analysis, Machine Learning
Intermediate · Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Accounting, Technical Accounting, Cash Flows, Financial Reporting, Specialized Accounting, Financial Statement Analysis, Financial Statements, Generally Accepted Accounting Principles (GAAP), Accounting, Equities, Benefits Administration, Income Statement, Income Tax, Compensation Management, Compensation and Benefits
Build toward a degree
Intermediate · Course · 1 - 3 Months